ISRC NOCJB1900307
Verified recording
NOCJB1900307 is “Sinfonietta No 3” by Etienne Crausaz,
registered on the CopyrightChains blockchain with CopyrightID
0x9d5d954a5553d3df48124c869ed277388d8da5d08465f313f5b6618df8ecf2a4 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOCJB1900307.
Recording identifiers
- ISRC
- NOCJB1900307
- Title
- Sinfonietta No 3
- Artist
- Etienne Crausaz
- CopyrightID (CopyrightChains transaction hash)
0x9d5d954a5553d3df48124c869ed277388d8da5d08465f313f5b6618df8ecf2a4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:5946b1f231221347c8e8782fd306ec8e1ced1f9874ec408f8322721fabc74cd4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOCJB1900307
- Bitcoin block existence check
- https://blockstream.info/api/block/960448